808 PROF. A. DENBY AND MR. R. W. H. ROW ON 



1913. Dendy, A. " Report on the Calcareous Sponges collected 

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 Linnean Soe. London, Zool. vol. xvi. pp. 1-29. 

 1892. DoDEELBiN, L. "Description of Petrostroma schuhei,n.g. 

 et sp. of Calcarea, representing a new order Lithones." 

 Verhandl. deutscli. zoolog. Ges. vol. ii. (1892), pp. 143- 

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1897. " Ueber die LitJionina, erne neue Gruppe von 



Kalkschwammen." Zoolog. Jalirhucli, Syst.-Abth., 

 Bd. X. pp. 16-32. 

 1864. DuCHASSAiNG, p., et MiCHELOTTi, G. "Spongiaires de 

 la Mer Caraibe." Hats. Nat. Verhandl. Haarlem, vol. 

 xxi. 

 1880. Duncan, P. Martin. "On a parasitic Sponge of the 

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 1887. Ebnek, V. von. " Amphoriscus huccicMi, n. ht^."" Zooloa. 



Jahrbuch, vol. ii. pp. 981-982. 

 1786. Ellis, J., and Solandee, D. " Natural History of many 

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 aspera, Haeckel gives a reference to Spongia j^cinicea, 

 Esper, " Spongien, Taf. 18, fig. 1, 2." We have been 

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 1780. Fabricius, O. '■ Eauna Groenlandica." Hafnise et 



Lipsife, 1780. 

 1828. Fleming, J. " A History of British Animals." Edin- 

 burgh, 1828. 

 1887. Eristedt, K. " Sponges from the Atlantic and Arctic 

 Oceans, and the Behring Sea." (" A'ega " Expedition). 

 " Vega " Exped. Vetenslc. laldtag.," vol. iv. pp. 401-471. 

 1885. Gibson, E. J. Harvey. " On a wqw species of Sycandra 

 {(isperd)." First Report on the Fauna of Liverpool Bay, 

 pp. 365-367. 

 1825-1826. Grant, E. E. " Observations and Experiments on 

 the Structure and Functions of the Sponge." Edinburgh 

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 pp. 113-124, 336-341. 



1826. " Remarks on the Structure of some Calcareous 



Sponges." Edinhurqh New Philosoph. Jou'rn., vol. i. 

 pp. 166-170. 



1841. "Outlines of Comparative Anatomy." Loudon, 



1841. 

 1861. — — " Tabular View of the Primary Divisions of the 



Animal Kingdom." London, 1861 . 

 1858. Gray, J. E. " Description of Ap>hroceras, a new genus 

 of Calcareous Spongiadse from Hongkong." Proc. 

 Zool. Sac, London, 1858, pp. 113-114. 



